[PULL 56/79] ARM: KVM: Implement HVC_GET_VECTORS in the init code
Christoffer Dall
cdall at linaro.org
Sun Apr 23 13:09:06 EDT 2017
From: Marc Zyngier <marc.zyngier at arm.com>
Now that we have an infrastructure to handle hypercalls in the KVM
init code, let's implement HVC_GET_VECTORS there.
Tested-by: Keerthy <j-keerthy at ti.com>
Acked-by: Russell King <rmk+kernel at armlinux.org.uk>
Acked-by: Catalin Marinas <catalin.marinas at arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
Signed-off-by: Christoffer Dall <cdall at linaro.org>
---
arch/arm/kvm/init.S | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/kvm/init.S b/arch/arm/kvm/init.S
index 86a7008..d6b2f49 100644
--- a/arch/arm/kvm/init.S
+++ b/arch/arm/kvm/init.S
@@ -122,7 +122,12 @@ __do_hyp_init:
eret
ENTRY(__kvm_handle_stub_hvc)
- cmp r0, #HVC_RESET_VECTORS
+ cmp r0, #HVC_GET_VECTORS
+ bne 1f
+ mrc p15, 4, r0, c12, c0, 0 @ get HVBAR
+ b exit
+
+1: cmp r0, #HVC_RESET_VECTORS
bne 1f
ENTRY(__kvm_hyp_reset)
/* We're now in idmap, disable MMU */
--
2.9.0
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